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You searched for: Medium print Remove constraint Medium: print Projects West Virginia History OnView Remove constraint Projects: West Virginia History OnView Topical Subjects Coal mines and mining. Remove constraint Topical Subjects: Coal mines and mining. Topical Subjects Mine roof bolting. Remove constraint Topical Subjects: Mine roof bolting.
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Miner putting bolts into the roof of a mine for support.
Miner putting bolts into the roof of a mine for support.
Miner putting bolts into the roof of a mine for support.
Two miners work on putting in roof bolts in the Pittsburgh Seam. Timber jack used to hold the roof while bolting.
Two miners put bolts in to the mine rood at Jamison No. 9.
Three miners putting bolts in the roof at Bishop Mine. Jacks used to hold the roof up while this process was being done.
Two miners work with a Joy roof bolt drill at Jamison No. 9.